package com.uyaer.duobao163;

public class Util {

	public static String formatTimeToString(long t){
		if(t<=0)return "0:00";
		int m = (int) (t/60000);
		int s = (int) (t%60000/1000);
		return m+":"+(s<10?("0"+s):s);
	}
}
